Tag Archives: Pythagorean theorem

Girls’ Angle Bulletin, Volume 11, Number 6

The electronic version of the latest issue of the Girls’ Angle Bulletin is now available on our website. It’s always nice to hear from old friends. Katy Cook née Bold was the first author for Math In Your World, a … Continue reading

Posted in Uncategorized | Tagged , , , , , , , , , , , , , , | Leave a comment

Origami-inspired Proof of the Pythagorean Theorem

While working with math teachers Richard Chang and Randi Currier of the Buckingham Browne & Nichols Middle School to come up with problems that use polynomials and rational expressions, we stumbled upon an origami-inspired proof of the Pythagorean theorem that I’d like to … Continue reading

Posted in math, Math Education | Tagged , , , | Leave a comment

The Pythagorean Theorem: Is It Proven?

Recently at the Girls’ Angle club, a girl asked: Has the Pythagorean theorem been proven? That was a terrific question! Unfortunately, I didn’t have time to discuss it as well or as fully as I would have liked. A lot of … Continue reading

Posted in math | Tagged , , , , , | 4 Comments

Similarity Simplifies

When you see that two figures are similar to each other, everything becomes simpler. Suddenly, you realize that if you understand one figure, you know everything about the other, except for its absolute size. I was observing some students solving … Continue reading

Posted in Contest Math, math, Math Education | Tagged , , | 1 Comment